package com.diaosidadui.demo;

public class Demo01 {
    public static void main(String[] args) {
        for (int i = 1; i <= 5; i++) {
            System.out.println(i);
        }


        for (int i = 5; i >=1 ; i--) {
            System.out.println(i);

        }
    }
}
